StreamBufferSegment.h

#pragma once

#include "StreamSegment.h"

class CStreamBufferSegment
{
private:
    __uint32            size;
    __uint32            sizeHistory;
    __uint32            sizePlay;
    __uint32            sizeSegment;

    __uint32            ptrFirst;
    __uint32            ptrLast;

    __uint32            currentIndexSegment;
    __uint32            currentIndexFrame;

    __uint32            stream;

    CStreamSegment**    buffer;

public:
    CStreamBufferSegment(
        __uint32    size,
        __uint32    sizeHistory,
        __uint32    sizeSegment
        );
    virtual ~CStreamBufferSegment();

    void            Reset(__uint32 stream, __uint32 indexSegment);
    bool            Add(CStreamFrame frame);

    inline __uint32 Size() { return this->size; }
    inline __uint32 SizePlay() { return this->sizePlay; }
    inline __uint32 SizeHistory() { return this->sizeHistory; }

    inline __uint32 Stream() { return this->stream; }

    void            ShiftFrame();
    void            ShiftSegment();

    inline __uint32 CurrentIndexSegment() { return this->currentIndexSegment; }
    inline __uint32 CurrentIndexFrame() { return this->currentIndexSegment * this->sizeSegment + this->currentIndexFrame; }

    bool            HasSegment(__uint32 index);
    inline bool     HasCurrentSegment() { return this->buffer[this->ptrFirst] != NULL; }

    bool            IsSegmentReceiving(__uint32 index);
    bool            IsSegmentComplete(__uint32 index);

    void            SegmentReceiving(__uint32 index, bool receiving);

    bool            HasFrame(__uint32 index);
    bool            HasCurrentFrame();

    bool            IsCurrentFrameDecodable();
    bool            IsFrameDecodable(__uint32 index);

    CStreamSegment* GetSegment(__uint32 index);

    CStreamFrame    CurrentFrame();
};